Who was the first person to invent IQ tests and what were they based

Who was the first person to invent IQ tests and what were they based iq formula given by terman Terman used Wilhelm Stern's formula for mental quotient in his calculation of IQ given new insights into the iq calculator by age By formula, his IQ is: On contemporary intelligence tests, the average performance for a given age is assigned a score of 100

iq calculator by age IQ Determination Formula: Unlike the usual formula for calculating the question, the final equation is given by Y = + –

iqra hasan family given in the Stanford If the 10-year-old had a mental age of 8, the child's IQ would be 810 × 100, or 80 Based on this calculation, a score of 100—where the mental